There's a size and vision (from director Shane Black) that is of universe, but seems completely different than the party atmosphere present in the first two movies. This looks like it's going to put Stark and company through the ringer. There's also glimpses of Gwyneth Paltrow and Don Cheadle's characters, but the main thing on display is the size of the mayhem.

Here's the film's synopsis:

Marvel’s “Iron Man 3” pits brash-but-brilliant industrialist Tony Stark/Iron Man against an enemy whose reach knows no bounds. When Stark finds his personal world destroyed at his enemy's hands, he embarks on a harrowing quest to find those responsible. This journey, at every turn, will test his mettle. With his back against the wall, Stark is left to survive by his own devices, relying on his ingenuity and instincts to protect those closest to him. As he fights his way back, Stark discovers the answer to the question that has secretly haunted him: does the man make the suit or does the suit make the man?

Starring Robert Downey Jr., Gwyneth Paltrow, Don Cheadle, Guy Pearce, Rebecca Hall, Stephanie Szostak, James Badge Dale with Jon Favreau and Ben Kingsley,“Iron Man 3” is directed by Shane Black from a screenplay by Drew Pearce and Shane Black and is based on Marvel’s iconic Super Hero Iron Man, who first appeared on the pages of “Tales of Suspense” (#39) in 1963 and had his solo comic book debut with “The Invincible Iron Man” (#1) in May of 1968.

In Marvel’s “Iron Man 3,” Tony Stark/Iron Man finds his world reduced to rubble by a malevolent enemy and must use his ingenuity and instincts to protect those closest to him as he seeks to destroy the enemy and his cohorts.